On the dynamics of XY spin chains with impurities

Giuseppe Genovese

Physica A: Statistical Mechanics and its Applications, 2015, vol. 434, issue C, 36-51

Abstract: We provide a theoretical set up for studying the dynamics in quantum spin chain models with inhomogeneous two-body interaction. We frame in our formalism models that can be mapped into fermion systems with quadratic Hamiltonian, namely XY chains with transverse magnetic field. Local and global existence results of the dynamics are discussed.

Keywords: Quantum spin chains; Nonequilibrium dynamics; Impurities (search for similar items in EconPapers)
Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:434:y:2015:i:c:p:36-51

DOI: 10.1016/j.physa.2015.04.001

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